component

SPX1117M3-L-1-8

Public Made by Adom

by adom

MaxLinear Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

componentpmicspx1117m3-l-1-8
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

3D Model

Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

Datasheet

Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

SPX1117M3-L-1-8

MaxLinear · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-3

SPX1117M3-L-1-8 from MaxLinear, in a SOT-223-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground return. On the fixed-voltage version (SPX1117M3-L-1-8), pin 1 is tied to ground; this same pin is used as the ADJ feedback input on the adjustable version.
2 VOUT power_out Regulated 1.8V output (1.782-1.818V typical at 25°C). Requires a minimum output capacitor of 2.2µF ceramic/tantalum or 10µF aluminum for stability; supports up to 800mA continuous, 1A peak. The SOT-223 tab is internally connected to this pin.
3 VIN power_in Unregulated input supply. For the 1.8V fixed version, must be ≥3.2V for full-load regulation over the specified conditions (absolute maximum 20V). A 4.7µF input capacitor is recommended for stability.

Key specifications

Parameter Value
Manufacturer MaxLinear
Package SOT-223-3
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • SPX1117M3-L-1-8
  • SPX1117M3-L-1-8/TR
  • SPX1117T-L
  • SPX1117T-L/TR
  • SPX1117T-L-3-3/TR

The extractor listed these alongside SPX1117M3-L-1-8, but they are different parts with different electrical characteristics. Do not order them as substitutes.

  • SPX1117T-L-3-3

CAD (KiCad official)

  • Symbol: SPX1117M3-L-1-8
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223-3 (KiCad packages3D, STEP)
  • 3D model files: spx1117m3-l-1-8-etched.step / spx1117m3-l-1-8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); spx1117m3-l-1-8.step / spx1117m3-l-1-8.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
spx1117m3-l-1-8.step 64 KB You want the bare part, or you mark your own boards.
spx1117m3-l-1-8-etched.step 2.0 MB You want the part with SPX1117M3-L-1-8 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 513 faces against 75 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: MaxLinear datasheet (11 pp, sha256 d1c809a37deea7ec, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF